/*
* Help/usage command.
* Call each command handler with argc == 0 and argv[0] == name.
*/
void
help(int argc, char *argv[])
{
struct cmd *c;
char *nargv[1], *cmd;
const char *p;
int isusage;
cmd = argv[0];
isusage = (strcmp(cmd, "usage") == 0);
if (argc == 0 || (isusage && argc == 1)) {
UPRINTF("usage: %s [command [...]]\n", cmd);
return;
}
if (argc == 1) {
StringList *buf;
buf = ftp_sl_init();
fprintf(ttyout,
"%sommands may be abbreviated. Commands are:\n\n",
proxy ? "Proxy c" : "C");
for (c = cmdtab; (p = c->c_name) != NULL; c++)
if (!proxy || c->c_proxy)
ftp_sl_add(buf, ftp_strdup(p));
list_vertical(buf);
sl_free(buf, 1);
return;
}
#define HELPINDENT ((int) sizeof("disconnect"))
while (--argc > 0) {
char *arg;
char cmdbuf[MAX_C_NAME];
arg = *++argv;
c = getcmd(arg);
if (c == (struct cmd *)-1)
fprintf(ttyout, "?Ambiguous %s command `%s'\n",
cmd, arg);
else if (c == NULL)
fprintf(ttyout, "?Invalid %s command `%s'\n",
cmd, arg);
else {
if (isusage) {
(void)strlcpy(cmdbuf, c->c_name, sizeof(cmdbuf));
nargv[0] = cmdbuf;
(*c->c_handler)(0, nargv);
} else
fprintf(ttyout, "%-*s\t%s\n", HELPINDENT,
c->c_name, c->c_help);
}
}
}
void
domacro(int argc, char *argv[])
{
int i, j, count = 2, loopflg = 0;
char *cp1, *cp2, line2[FTPBUFLEN];
struct cmd *c;
if ((argc == 0 && argv != NULL) ||
(argc < 2 && !another(&argc, &argv, "macro name"))) {
UPRINTF("usage: %s macro_name [args]\n", argv[0]);
code = -1;
return;
}
for (i = 0; i < macnum; ++i) {
if (!strncmp(argv[1], macros[i].mac_name, 9))
break;
}
if (i == macnum) {
fprintf(ttyout, "'%s' macro not found.\n", argv[1]);
code = -1;
return;
}
(void)strlcpy(line2, line, sizeof(line2));
TOP:
cp1 = macros[i].mac_start;
while (cp1 != macros[i].mac_end) {
while (isspace((unsigned char)*cp1))
cp1++;
cp2 = line;
while (*cp1 != '\0') {
switch(*cp1) {
case '\\':
*cp2++ = *++cp1;
break;
case '$':
if (isdigit((unsigned char)*(cp1+1))) {
j = 0;
while (isdigit((unsigned char)*++cp1))
j = 10*j + *cp1 - '0';
cp1--;
if (argc - 2 >= j) {
(void)strlcpy(cp2, argv[j+1],
sizeof(line) - (cp2 - line));
cp2 += strlen(argv[j+1]);
}
break;
}
if (*(cp1+1) == 'i') {
loopflg = 1;
cp1++;
if (count < argc) {
(void)strlcpy(cp2, argv[count],
sizeof(line) - (cp2 - line));
cp2 += strlen(argv[count]);
}
break;
}
/* intentional drop through */
default:
*cp2++ = *cp1;
break;
}
if (*cp1 != '\0')
cp1++;
}
*cp2 = '\0';
makeargv();
c = getcmd(margv[0]);
if (c == (struct cmd *)-1) {
fputs("?Ambiguous command.\n", ttyout);
code = -1;
} else if (c == 0) {
fputs("?Invalid command.\n", ttyout);
code = -1;
} else if (c->c_conn && !connected) {
fputs("Not connected.\n", ttyout);
code = -1;
} else {
if (verbose) {
fputs(line, ttyout);
putc('\n', ttyout);
}
margv[0] = c->c_name;
(*c->c_handler)(margc, margv);
if (bell && c->c_bell)
(void)putc('\007', ttyout);
(void)strlcpy(line, line2, sizeof(line));
makeargv();
argc = margc;
argv = margv;
}
if (cp1 != macros[i].mac_end)
cp1++;
}
if (loopflg && ++count < argc)
goto TOP;
}
